Casio Computer Co., Ltd.

Tetsuro Narikawa

Akihide Takasu

Shunsuke Hara

Kazuyasu Fukano

Kiyoshi Oda

Yubi Takashimada

Toru Takahama

Masaki Kobayashi

Yoshihiko Shinozaki

Hiroshi Saito

Masahiro Ogawa

Atsushi Nakagawa

Etsuro Kawakami

Hiroki Masuda

Osamu Umamine

A display device includes a power key, and at least one processor that executes following: determination processing that determines, when turning on a light source in response to a user's operation on the power key, whether a power supply supplying power is a predetermined power supply or not, and control processing that displays, when the determination processing determines that the power supply is the predetermined power supply, a power-on continuation confirmation screen and continues, in case of detection of a confirmation operation from the user according to the power-on continuation confirmation screen, lighting of the light source.

Display device, control method of display device, and recording medium

An image forming medium changing device includes a changing unit configured to change a characteristic of an image forming medium on which projected light is focused, wherein the projected light is refocused on an aerial space image forming section by a light guide optical system. A spatial projection apparatus including the image forming medium changing device includes multiple image forming media having different characteristics, and the changing unit is configured to be driven to dispose one image forming medium selected from the multiple image forming media on an image forming effective area interposed between a light source of the projected light and the light guide optical system.

Image forming medium changing device, spatial projection apparatus, spatial projection system, and spatial projection method

A projection control apparatus includes at least one processor or a control processing unit, and a communication unit. The control processing unit obtains a first captured image captured at a first point and a second captured image captured at a second point differing from the first point via the communication unit, obtains first correction data from the first captured image and second correction data from the second captured image, obtains first position data at the first position, second position data at the second point, and third position data at a third point differing from the first and second points, determines third correction data corresponding to the third point using the first correction data, the second correction data, the first position data, the second position data, and the third position data, and corrects a projected image to be projected by a projector based on the third correction data.

Projection control apparatus, terminal apparatus, and projection method

A detection apparatus includes at least one processing unit, a light guide optical system configured to focus projected light to a spatial image forming plane to form an image thereon, and a sensor configured to shine a laser beam over a set scanning range to detect an entry depth of a target object in a direction orthogonal to the spatial image forming plane and an entry position of the target object on the spatial image forming plane, and the processing unit executes an operation associated with the entry position when the entry depth of the target object reaches a set depth. A display mode of a pointer image is displayed as superimposed on the spatial image forming plane is caused to change step by step in accordance with the entry depth of the target object in a direction orthogonal to the image forming plane which is detected by the sensor.

Detection apparatus, detection method, and spatial projection apparatus

A projector of the present invention includes a light source unit including a semiconductor light emitting element and a color wheel and emitting lights in first and second wavelength ranges in time division, a display device receiving light source light to form image light, a projection optical system for projecting the image light onto a projection target, a delay time setting module for shifting a start timing of a color mixing period when the lights in the first and second wavelength ranges are emitted in a mixed fashion in a spoke period of the color wheel during which emissions of the lights in the first and second wavelength ranges are switched over based on an index indicating a brightness of light from the light source unit, and a light source driving module for driving the light source unit based on a setting set by the delay time setting module.

Projector including a semiconductor light emitting element and a color wheel, projection control device, and storage medium

In a processing method of image data in accordance with an embodiment of the present invention, a processor of an information processing apparatus calculates a heat quantity value when projecting and displaying image data, determines the image data as an image to be projected and displayed when the heat quantity value does not reach a threshold value, and generates processed image data so that a heat quantity is to be lower than the heat quantity value and determines the processed image data as an image to be projected and displayed when the heat quantity value exceeds the threshold value.

Processing method of image data, projection apparatus, processing apparatus of image data

A projector of the present invention includes a light source unit including a first light source emitting light in a first wavelength range and a second light source emitting light in a second wavelength range, a display device for forming image light, a projection optical system for projecting the image light onto a projection target, a timing setting module for changing a ratio of a period shining light in the first wavelength range to a period shining light in the second wavelength range in a spoke period having a plane period emitting light in the first or second wavelength range and a color mixing period emitting both lights in the first and second wavelength ranges for each of a plurality of color modes, and alight source driving module for driving the light source unit based on a setting at the timing setting module.

Projector including a light source unit, projection control device including a light source driving module, and storage medium

The present invention aims to make it possible to detect deterioration of a housing of a projection apparatus and to notify a user of the deterioration of the housing. The projection apparatus includes a projected image processing unit which registers a deformation parameter as an initial value in a case where the deformation parameter for a projected image is set as an initial setting to be made at the time of installation of the projection apparatus as a registration control unit. In a case where the deformation parameter for the projected image is adjusted by a user operation after the initial setting is made, the projected image processing unit decides whether an adjustment degree that the deformation parameter is adjusted from the initial value reaches a predetermined threshold value as a decision unit. In addition, in a case where the adjustment degree reaches the predetermined threshold value, the projected image processing unit gives a warning to the user at a predetermined timing as a notification control unit.

Projection apparatus, installed state detection method and installed state detection program

A projector is provided which includes a first light source device configured to emit light in a first wavelength range, a first wheel having formed thereon a plurality of light source segments configured to emit lights in different wavelength ranges upon receiving light in the first wavelength range, a second wheel having formed thereon a plurality of areas configured to dim light emitted from the first wheel, a display device onto which light emitted from the second wheel is shined to thereby form image light, and a processor configured to control the first light source device, the first wheel and the second wheel in a synchronized fashion, wherein the processor performs a masking process on the image light when either or both of a rotation frequency difference and a phase shift between the first and the second wheels are predetermined thresholds or greater.

Projector, projection control method, and storage medium

The present invention aims to make it possible to detect deterioration of a housing of a projection apparatus and to notify a user of the deterioration of the housing. A projection apparatus includes at least one processor and an acceleration sensor which detects an inclination of the projection apparatus, in which the processor performs the processes of acquiring a difference between i) a first detection value which is detected by the acceleration sensor in a case where the projection apparatus is installed on an installation surface and ii) a second value which is detected by the acceleration sensor at a time which comes after the installation of the projection apparatus with the projection apparatus on the installation surface, and in a case where the difference becomes more than a threshold value, controlling to notify a warning at a predetermined timing by functioning as a notification unit or to stop functions of the projection apparatus.

Projection apparatus, installed state detection method and medium

A light source device includes: a first light emitting element that emits first wavelength band light; a fluorescence wheel including a fluorescence emission region with which fluorescence excited by the first wavelength band light is emitted as second wavelength band light; a second light emitting element that emits third wavelength band light; a combining unit that combines the first wavelength band light, the second wavelength band light, and the third wavelength band light; a color wheel; and a CPU that controls the first light emitting element, the second light emitting element, the fluorescence wheel, and the color wheel, wherein the CPU performs synchronization control on the fluorescence wheel and the color wheel, and performs control to shift a synchronization position of the color wheel with respect to the fluorescence wheel in accordance with an output mode.

Light source device, projection device, and light source control method

A projection control apparatus includes a CPU configured to perform control to successively project a plurality of images for correction onto a projection target, each of the images for correction being configured such that a marker image is arranged at a preset position in the image, to acquire information of a plurality of photographed images including the images for correction projected onto the projection target, to detect a difference between the respective photographed images, based on positions of the marker images, and to set a correction condition for projecting an image, based on the information of the photographed images, in accordance with the detected difference of a projection image range.

Projection control apparatus, projection apparatus, projection control method, and storage medium storing program

A projection apparatus includes a projection surface information acquisition unit that acquires a surface shape and/or color information of the projection target surface from the projection image acquired by the projection image acquisition unit; and a projection control unit that determines, based on the surface shape and/or the color information of the projection target surface acquired by the projection surface information acquisition unit, a projection range and a projection position where projection is performed, from a projectable range of the projection unit, and performs projection so as to obtain a defined shape on the projection target surface.

Projection apparatus, projection method, and storage medium

A projection apparatus includes a light source unit which time-divisionally emits light in colors by light emission from light emitting devices; a display element using light emitted from the light source unit, displaying images respectively corresponding to the colors of the emitted light, and forming optical images by reflection or transmission light thereof; a projection unit emitting the optical images formed by the display element toward a projection target; a timing setting unit setting a change timing associated with changing each of the colors, and setting spoke periods generated at each change timing; a light source drive unit driving the light source unit, based on the change timings and spoke periods; a detection unit detecting information indicating a light amount of the light for each of the colors emitted from the projection unit during the spoke periods; and a light source controller setting a delay time for light emission timings at the light source unit in the spoke periods by the light source drive unit, based on information obtained by the detection unit.

Projection apparatus, projection method, and storage medium having program stored thereon, which provide high-quality image by effectively using spoke period

According an embodiment, a display apparatus includes a display unit configured to display video corresponding to a video signal which is input, by using light which a light source emits; a determination unit configured to determine, from the video signal, presence/absence of necessity of light emission by the light source at every given time period; and a controller configured to vary and set the time period which is determined by the determination unit, in accordance with a determination result by the determination unit.

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Auburn Hills, MI, United States of America

Tetsuro Narikawa